1. Siemens listened to your needs and is proud to introduce the... Sentron Mining Duty Circuit Breaker Family s

2. s V:Mining/WendtDPD Marketing Siemens Mining Breaker Family

3. s V:Mining/WendtDPD Marketing Sentron Mining Family Features 15-1600A in both 600V and 1000V frames One trip units works in either the 600V or 1000V frames Common footprints for the 400/600A and 800/1200A frames simplify design Meets every MSHA trailing cable pick up settings using mag-only, thermal-magnetic, or electronic breakers

4. s V:Mining/WendtDPD Marketing Sentron Mining Family Features MSHA pick up settings correspond exactly to a dial position on trailing cable trip units Proven reliability in the roughest environments Easy selection and application Repairable Design Manufactured in Ohio

5. s V:Mining/WendtDPD Marketing Increased Interrupting Ratings

6. s V:Mining/WendtDPD Marketing MSHA 30 CFR 75 Pick-up settings correspond exactly with a dial setting on all trailing cable trip units through the 1200A frame All MSHA pick up values within the trip units range have an exact setting Electromechanical Trip Example Electronic Trip Example Trailing cable pick up settings are highlighted on the trip unit

7. s V:Mining/WendtDPD Marketing Standard and trailing cable trip units are identified in the catalog number for easy selection and application Exact MSHA trailing cable pick up setting positions are marked on the trip units Trailing cable pick up settings are easily identified by a consistent catalog number suffix -Suffix (Electronic Trip Settings) CA (50 - 75 - 150 - 200 - 300 - 500 – 600 – 800 – 1000 - 1250) CB (200 - 300 - 500 – 600 – 800 – 1000 – 1250 – 1500 – 2000 - 2500) -Suffix (Electromechanical Trip Settings) C1 50 - 75 - 150 - 200 C2 300 - 500 - 600 - 800 - 1000 C3 1250 - 1500 - 2000 - 2500 Easy Application JMKB400ECB JMKB400MC2

8. s V:Mining/WendtDPD Marketing Reduced Inventory: Instantaneous Only Cover All Trailing Cable Applications with Just 1 Frame and 2 Trip Units The widest MSHA pick up range available increases versatility and reduces inventory to a fraction of what used to be possible

9. s V:Mining/WendtDPD Marketing Reduced Inventory: Long & Instantaneous Protection Adjustable current ratings coupled with the widest available pick up range reduce inventory to a fraction of what used to be possible

10. s V:Mining/WendtDPD Marketing Siemens Offers the Option to Meet Exact MSHA Pick Up Settings in whichever Magnetic Only or Thermal Magnetic Frame Size you choose. Siemens Mag only and thermal magnetic breakers offer the widest trip ranges The C_ suffix designation applies to all Siemens Mining Breakers. C1 - Setting position for all MSHA pick up values from 50 to 200. C2 - Setting position for all MSHA pick up values from 300 to 500. C3 - Setting position for all MSHA pick up values from 1250 to 2500.

11. s V:Mining/WendtDPD Marketing Proven Reliability in the Roughest Environments Lab tested and confirmed interrupting capabilities Lab tested and confirmed mechanical endurance Lab tested and confirmed calibrations Benchmarked in simulated applications for market leading endurance Extensive on site testing in the mines of West Virginia Based on Siemens classic family construction

12. s V:Mining/WendtDPD Marketing Application Flexibility Interchangeable trip units Full line of field installable external accessories Full line of field installable internal accessories (UVR, shunt trip, aux switch, bell alarm, PLC aux) Special UVRs have been designed specifically for mine duty application

13. s V:Mining/WendtDPD Marketing Rear Connecting Accessories Rear Connectors Rear Plug Ins Application Flexibility Compression Lugs

14. s V:Mining/WendtDPD Marketing Operator Accessories Variable Depth Max flex Motor Operator Application Flexibility

15. s V:Mining/WendtDPD Marketing Flexible Design with Easy Modifications Interchangeable trip units in the 250 to 1600A Frames 400A frame trip units work in 600A frame breakers 800A frame trip units work in 1200A frame breakers One trip unit for both 600V & 1000V frames

16. s V:Mining/WendtDPD Marketing Field Installable Accessories in ALL Frames All seven frames are covered with four sets of accessories Accessory mounted Accessory Accessory mounted Flexible Design with Easy Modifications

17. s V:Mining/WendtDPD Marketing Designed Completely From Customer Input

18. s V:Mining/WendtDPD Marketing Mining Breaker Replacements

19. s V:Mining/WendtDPD Marketing Further Information The Mining Breaker Selection Guide offers complete application and pricing information MCCB CAD drawings are available from your Siemens Representative

20. s V:Mining/WendtDPD Marketing Industrial Products s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s Single Source Supplier Represents major market presence s Large Motor Small Motor DC Drives AC Drives PCS PLC Swboard / Pnlboard Busway LV Switchgear MV Switchgear Controls MCC Voltage Regulator Power Breaker Residential Enc. Switch Xformer MCCB Construction Products Utility Products Competitors Siemens General Electric Eaton / Cutler-Hammer Schneider / Square D ABB Allen-Bradley / Reliance Toshiba

21. Sentron Mining Breakers Thank You For Your Time s